The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 1988
Filed:
Sep. 10, 1986
Applicant:
Inventors:
Harry Smith, Maplehurst, Nr. Horsham, GB;
Derek R Buckle, Redhill, GB;
Assignee:
Beecham Group p.l.c., , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514359 ; 548259 ; 548260 ; 548261 ;
Abstract
A compound of formula (I): ##STR1## or a pharmaceutically acceptable salt thereof, wherein R.sub.1 is a hydrogen atom or a C.sub.1-6 alkyl group, R.sub.2, R.sub.3 and R.sub.4 are the same or different and are selected from hydrogen, hydroxyl, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy and C.sub.1-4 alkanoyl; G is a hydrogen atom or a hydroxyl group, and m and n are independently integers of from 1 to 3, with the proviso that when G is a hydroxyl grup, m or n is 1; is useful in the treatment of asthma.